Runsorb® BP-4
2-Hydroxy-4-methoxybenzophenone-5-sulfonic acid
Molecular Weight: 308
CAS NO.: 4065-45-6
Appearance: Off white to yellow crystalline powder
Assay: 99%min
Melting point: 108°C min
Loss on drying: 3.0% max
pH(10% aq sol.): 1.2-2.2
PACKING: 20kg. Net/fiber drum
APPLICATION: As an UV A and B absorber especially for water soluble formulation is required. It is used as a sunscreen agent in cosmetics, hair days and hair sprays.